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James Captain J8 Deluxe. 200cc. 1950-1953

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Frame numbering 1950 - 1952. Prefix M.  1953. Prefix M ?
Engine Annual catalogue says Villiers Mk 6E. Capacity 197cc.  59mm x 72mm.
1953 Parts lists says Villiers Mk 8E. Capacity 197cc. 59mm x 72mm.
Gears Three speed
Frame Single downtube with detachable rear frame.  Plunger rear suspension.
Forks Model 6 lightweight telescopic fork. Undamped three-rate springs.  Plastic gaiters.
Tyres 19" x 3.00".
Wheel rims Dunlop WM1 36 hole
Ignition timing 5/32"" before top dead centre.
Points gap 0.012" - 0.015"
Plug gap 0.018"
Plug type Original spec.  Lodge HH 14.  14mm short reach.
Carburettor Villiers Type 4 / 5 two lever.
Jet size 0.081"
Needle No. 4 - variable.
Needle setting Variable - adjusted from handlebar to suit running conditions
Tank capacity 2 gallons approximately.  Use of unleaded fuel will cause no problems
Petroil mixture 16:1 as originally specified. Can be safely reduced to 20:1 with modern oils.
Gearbox capacity Remove oil level screw on side of engine casing and oil filler screw on top of casing.  Fill oil through the filler opening until oil begins to run out through the level plug hole. The correct level of oil is then assured.  Check it regularly.  Castrol "D"  SAE 140
Chaincase capacity Not applicable as the primary chain runs within the gearbox.
Chains Primary chain:  50 pitches.  " x 0.335" x 0.205" (Renold 110044)
Final drive chain:  " x 0.335" x 0.205" wide.  (Renold 110044)
Sprockets Engine: (crankshaft) 19 teeth.  " pitch.
Gearbox (final drive) 15 teeth.  " pitch
Rear wheel sprocket: 44 teeth as standard.
Brakes 5" front & rear
Bulbs: Rectified Main bulb:  6v - 24 / 24w
Tail lamp: 6v - 3w M.B.C. Where tail lamp only is fitted.
Stop and tail lamp:  6v - 18 / 3w. 
Parking lamp bulb:  6v - 3w
Parking  lamp battery  Ever Ready No. 1289
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